Sustainable Chemistry for the Environment最新文献

{"title":"Synergistic effect of pre-treatment and microwave drying on the physicochemical and functional properties of Chausa mango peel: Process optimization and HPLC analysis to identify mangiferin","authors":"Srutee Rout ,&nbsp;Soubhagya Tripathy ,&nbsp;Shivendu Ranjan ,&nbsp;Prem Prakash Srivastav","doi":"10.1016/j.scenv.2025.100235","DOIUrl":"10.1016/j.scenv.2025.100235","url":null,"abstract":"<div><div>Mango processing generates a lot of waste, including mango peels (MPs). Therefore, in this work, for valorization purposes, the MPs were pretreated with steam blanching and dried with microwave dryer, followed by ultrasound-assisted extraction to recover the bioactive compounds. During drying, the moisture diffusivity and energy consumption were measured. Drying kinetics and mathematical modelling were also used to analyze the drying data. Ultrasound was used to extract the bioactive compounds from the dried MP, and mangiferin was identified and quantified using HPLC. Utilizing steam for blanching purposes increased the moisture diffusivity in the sample and, thus, reduced the energy consumption for microwave dried sample. Drying data were fitted to mathematical modelling, and according to the Akaike Information Criterion, the Page model is the best-suited model with R² 0.995–0.998 and RMSE between 0.013 and 0.032. The maximum bioactive compounds were retained at microwave-dried steam blanched sample at 540 W (MW540SB). Further, HPLC analysis confirmed the presence of mangiferin in the sample, and the blanched microwave-dried sample had the highest amount of mangiferin (2.462 mg/g) in the MP. These findings offer valuable insights for industry professionals focused on food waste valorization. Steam blanching presents an effective method to lower energy consumption while preserving mangiferin in dried MPs. The resulting dried peels can serve as a functional ingredient for fortifying food products, increasing their mangiferin content. This strategy supports sustainable practices while optimizing the nutritional value of mango peel by-products.</div></div>","PeriodicalId":101196,"journal":{"name":"Sustainable Chemistry for the Environment","volume":"10 ","pages":"Article 100235"},"PeriodicalIF":0.0,"publicationDate":"2025-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143552469","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Functionalization of Eri silk and its union fabric using methanolic extract of Centella asiatica plant against Staphylococcus aureus","authors":"Rupjyoti Neog ,&nbsp;Namrita Kola","doi":"10.1016/j.scenv.2025.100234","DOIUrl":"10.1016/j.scenv.2025.100234","url":null,"abstract":"<div><div>The present investigation aimed to evaluate <em>Centella asiatica</em> plant extract as a natural antibacterial finish in response to the growing need for sustainable alternatives in textile applications. Eri/Eri, Eri/Mulberry, and Eri/Cotton fabrics were treated using <em>Centella asiatica</em> extract by pad-dry method. Antibacterial efficacy against gram-positive bacteria <em>Staphylococcus aureus</em> (MTCC 7443) was evaluated using the AATCC 90–2011 method. The assessment encompassed fabric thickness, weight, crease recovery angle, tensile strength, stiffness, elongation, SEM analysis and whiteness index before and after finishing. The washing durability of the finish was determined using ISO 6330E after one and ten washing cycles. The finished fabrics exhibited a significant (<em>p</em> ≤ 0.05) zone of inhibition when compared with positive and negative controls affirming the effectiveness of the developed antibacterial finish. Characterization studies did not indicate drastic alterations in the physical properties after the application of the finishing treatment. Eri/Eri, Eri/Cotton and Eri/Mulberry fabric demonstrated a significant (<em>p</em> ≤ 0.05) laundering durability with recorded values of 11.83 mm, 11.56 mm and 8.67 mm respectively. The eco-friendly strategy offered by the present investigation demonstrated a viable solution for fulfilling the need of antibacterial fabric without sacrificing ecological or health concerns along with reported washing durability.</div></div>","PeriodicalId":101196,"journal":{"name":"Sustainable Chemistry for the Environment","volume":"10 ","pages":"Article 100234"},"PeriodicalIF":0.0,"publicationDate":"2025-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143552468","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Enhancing the oxidative cleavage of vicinal diols on Fe-ZSM-5 catalysts with hierarchical porosity","authors":"Philipp Treu ,&nbsp;Dimitra Iltsiou ,&nbsp;Rabia Elbuga-Ilica ,&nbsp;Carina Maliakkal ,&nbsp;Søren Kegnæs ,&nbsp;Erisa Saraçi","doi":"10.1016/j.scenv.2025.100232","DOIUrl":"10.1016/j.scenv.2025.100232","url":null,"abstract":"<div><div>The oxidative cleavage of biomass-derived vicinal diols holds significant potential for producing valuable renewable carboxylic acids. Fe-ZSM-5 zeolite is a highly effective catalyst for this reaction using mild reaction conditions; however, it suffers from diffusion limitations, particularly with larger substrates. To overcome these challenges, we synthesized hierarchical ZSM-5 zeolite that integrate mesopores within the conventional microporous framework, thereby mitigating diffusion constraints. These hierarchical materials were developed using carbon templating and desilication techniques. Carbon templating led to the creation of well-defined mesopores, while desilication facilitated the formation of hollow crystals. The mesopore-containing hierarchical zeolites led to increased ion-exchange capacity, due to enhanced accessibility of exchange positions for the Fe^3 + cations, with the desilicated zeolite exceeding the Fe-loading by 3.5 times that of the microporous parent ZSM-5 material, as observed by UV–vis spectroscopy, EXAFS analysis and elemental analysis by ICP-OES. Catalytic tests revealed that hierarchical Fe-ZSM-5 catalysts exhibit superior performance compared to their purely microporous counterparts. Specifically, desilication improved catalytic activity for smaller substrates, while carbon templating proved more effective for larger vicinal diols. Furthermore, the carbon templated zeolite displayed enhanced activity per Fe-site, highlighting the benefits of hierarchical porosity in optimizing catalytic performance.</div></div>","PeriodicalId":101196,"journal":{"name":"Sustainable Chemistry for the Environment","volume":"10 ","pages":"Article 100232"},"PeriodicalIF":0.0,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143592956","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Eco-friendly biosurfactant solutions for petroleum hydrocarbon cleanup in aquatic ecosystems","authors":"Sumitha Elayaperumal ,&nbsp;Yuvaraj Sivamani ,&nbsp;Debasmita Bhattacharya ,&nbsp;Dibyajit Lahiri ,&nbsp;Moupriya Nag","doi":"10.1016/j.scenv.2025.100207","DOIUrl":"10.1016/j.scenv.2025.100207","url":null,"abstract":"<div><div>Hydrophobic compounds that offer C-H bonds along with heavy metals such as lead, mercury, and cadmium residing in terrestrial and aquatic environments are very much harmfully threatening to the health of an ecosystem. Petroleum-derived hydrocarbons such as fuels (gasoline, diesel etc.), LPG, waxes, etc. are, in fact, one of the most poisonous and carcinogenic contaminants out of all hydrocarbons, caused and acquired through petroleum. They are carcinogenic, neurotoxic and can cause damage to respiratory system, skeletal system along with damaging other organs. These are very stable in the environment and become concentrated and magnified in the tissues of living organisms and, therefore, increased in their ecological effects. Bioremediation has emerged as a viable option; however, it enhances the effectiveness of biosurfactant such as surfactin which is an amphiphilic, bacterially derived surface-active compound that can be utilized in the present work. Such surfactants can increase a pollutant's surface area for contact, create microenvironments, and emulsify media for pollutant removal. There are several recent approaches using biosurfactants in the environment where they improve bioaccessibility of hydrophobics, remove toxic heavy metals, and accelerated the biodegradation process. They are expected to extract any heavy metal from soils by anionic nature and capacity to bind with metal ions. In addition, the best in-situ remediation using biosurfactant-producing microorganisms can also become an efficient and cost-effective method for cleaning crude oil and petrochemical contaminants from water. This article describes how biosurfactants such as surfactin, rhamnolipid etc. can be beneficial to the process of environmental restoration in terms of modelling sustainable approaches of rehabilitating contaminated sites. Biosurfactants can advance remediation technologies through their unique properties and help in creating a cleaner, healthier ecosystem.</div></div>","PeriodicalId":101196,"journal":{"name":"Sustainable Chemistry for the Environment","volume":"9 ","pages":"Article 100207"},"PeriodicalIF":0.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143579850","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Corrigendum to: “Structural study and molecular docking insights into laccase-mediated dye degradation” [Sustain. Chem. Environ. 8 (2024) 100175]","authors":"Yatindra Kumar ,&nbsp;Hirdya Ramesh ,&nbsp;Kalpana Dhabade ,&nbsp;Manju Shahare ,&nbsp;Bhawna Kalra","doi":"10.1016/j.scenv.2025.100228","DOIUrl":"10.1016/j.scenv.2025.100228","url":null,"abstract":"","PeriodicalId":101196,"journal":{"name":"Sustainable Chemistry for the Environment","volume":"9 ","pages":"Article 100228"},"PeriodicalIF":0.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143579990","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Advancements in polypropylene biodegradation: A comprehensive microbial and analytical review","authors":"Pankaj R. Sutkar,&nbsp;Vinayak P. Dhulap","doi":"10.1016/j.scenv.2025.100213","DOIUrl":"10.1016/j.scenv.2025.100213","url":null,"abstract":"<div><div>Plastic is an artificial material formed of polymers with a high molecular weight. The rise in production and use of plastic products is emerging as a significant environmental issue. With the global production of plastics surpassing 380 million tons annually, the ubiquity and versatility of polypropylene (PP) stand out as significant contributors. It is also known as a packaging plastic because of its user-friendly applications. The properties of PP, such as durability, low cost, and wide uses, create a major environmental threat to soil, air, and water. The ability of microorganisms to degrade plastics is a promising eco-friendly technique for the upcoming days. This review highlights microbes, including bacteria and fungi, insects and larvae which have found the potential ability for biodegradation of polypropylene. It focuses on promising materials and analytical methods, such as physical, spectroscopic, and thermal. These methods include Scanning Electron Microscopy (SEM), Transmission Electron Microscopy (TEM), Differential Scanning Calorimetry(DSC), Thermal Gravimetric Analysis (TGA), Infrared Spectroscopy (IR), Nuclear Magnetic Resonance(NMR), Gas Chromatography - Mass Spectrometry(GC-MS),Fourier Transform Infrared Spectroscopy (FTIR), and X-ray Diffraction(XRD).It includes recent experimental findings and mechanisms for polypropylene biodegradation and future recommendations. Through a comprehensive examination of PP plastics, this review provides valuable insights into their production, applications, biodegradation and environmental implications. Understanding the complexity of PP allows us to support informed control and promote sustainable plastic usage and waste management methods.</div></div>","PeriodicalId":101196,"journal":{"name":"Sustainable Chemistry for the Environment","volume":"9 ","pages":"Article 100213"},"PeriodicalIF":0.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143508674","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Characterization of BTEX species at Texas Commission on Environmental Quality (TCEQ) Continuous Ambient Monitoring Station (CAMS) sites in Houston, Texas, USA during 2018","authors":"Amit U. Raysoni ,&nbsp;Sai Deepak Pinakana ,&nbsp;August Luna ,&nbsp;Esmeralda Mendez ,&nbsp;Gabriel Ibarra-Mejia","doi":"10.1016/j.scenv.2025.100227","DOIUrl":"10.1016/j.scenv.2025.100227","url":null,"abstract":"<div><div>Volatile Organic Compounds (VOCs) in the atmosphere negatively impact human and environmental health. Various sources of VOCs include gasoline evaporation, solvent usage, traffic, etc. A dataset 1-year (2018) consisting of BTEX (benzene, toluene, ethylbenzene, and m, p, and o-xylenes) concentrations in Houston, Texas, was analyzed to understand the spatial trends and sources of BTEX in the region. This study assesses 24-hour data concentrations from the Continuous Ambient Monitoring Station (CAMS) operated by the TCEQ Texas Commission on Environmental Quality (TCEQ) in Houston. Spatial variations of the BTEX species across the various TCEQ CAMS sites were determined using multiple statistical analyses, including Coefficients of Divergence (COD), Spearman’s correlation coefficient, and ANOVA Tukey’s test, while the BTEX interspecies ratios were calculated for further inter- and intra-urban exposure characterization. Ozone Forming Potential (OFP) was also calculated to analyze the role of VOCs in the formation of tropospheric ozone and to understand the role of VOCs in OFP in multiple seasons. OFP was higher in colder months than in other seasons of the year. Toluene exhibited greater concentrations with emission sources related to vehicular traffic emissions. The sites near the cluster of refineries were observed to have higher BTEX concentrations than others in Houston, Texas. These findings could help formulate targeted emission reduction strategies, for overall VOC levels in Houston, Texas.</div></div>","PeriodicalId":101196,"journal":{"name":"Sustainable Chemistry for the Environment","volume":"9 ","pages":"Article 100227"},"PeriodicalIF":0.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143508675","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Microwave-assisted extraction of pectin from lemon peel powder: Optimization and physicochemical properties","authors":"Khalid Mehmood Wani,&nbsp;Ritesh Patidar","doi":"10.1016/j.scenv.2025.100223","DOIUrl":"10.1016/j.scenv.2025.100223","url":null,"abstract":"<div><div>This study employed microwave-assisted extraction to extract pectin from dried lemon peel powder. The extraction was carried out using both continuous and intermittent microwave-assisted methods. The effects of several processing input variables (microwave power 360–900 W, irradiation time 20–80 s and pH 1–3.5 at a fixed loading ratio 1:15 g/mL on the yield of pectin were studied and optimized using the face-centered response surface design. In the intermittent process, the extraction parameters consisted of microwave power ranging from 300 to 900 W, pulse ratio ranging from 0.5 to 1, and pH levels between 1 and 3.5. The desirability function approach was used during the optimization procedure. The yield of pectin extracted exhibited a positive correlation with the microwave power but demonstrated a negative correlation with the extraction time, and pH. A second-order polynomial model was established from the results, which effectively described the variation in the data and accurately depicted the correlation between the independent variables and the response. The highest pectin yield (47.3 %) from lemon peels was obtained under the optimal conditions of 900 W microwave power, 80 s duration, a pulse ratio of 0.5, and a pH of 1 using the intermittent method. On the other hand, the continuous process resulted comparatively lesser pectin content (44.5 %) at 900 W, 20 s extraction time, and a pH of 1. The optimized results were confirmed and a high level of agreement was obtained between the validation experiment and the projected value.</div></div>","PeriodicalId":101196,"journal":{"name":"Sustainable Chemistry for the Environment","volume":"9 ","pages":"Article 100223"},"PeriodicalIF":0.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143579989","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Competitive and non-competitive adsorption of Cd(II) and Pb(II) from aqueous solution using Zr-BADS metal organic frameworks","authors":"Ahmed S. Mubarak ,&nbsp;Suhaib S. Salih ,&nbsp;Mohammed Kadhom ,&nbsp;Tushar K. Ghosh","doi":"10.1016/j.scenv.2025.100231","DOIUrl":"10.1016/j.scenv.2025.100231","url":null,"abstract":"<div><div>Water and wastewater treatment facilities face practical challenges in removing heavy metals, and the search for efficient processes and materials is crucial to solving this issue. This study aims to prepare a recently innovated metal-organic framework Zr-BADS MOFs, then utilize it in adsorbing Cd(II) and Pb(II) ions from wastewater by applying single and competitive systems. The prepared MOF was characterized by Fourier transform infrared spectroscopy, X-ray diffraction, Brunauer−Emmet−Teller, and scanning electron microscope to unravel its textural and surface properties. The systems were applied in the batch mode of operation, and equilibrium was reached after around 30 min. The experimental data kinetically best fitted with the pseudo second order model, and the Langmuir model best described the isotherms. Here, maximum adsorption capacities of 60.756 mg·g⁻¹ for lead and 53.585 mg·g⁻¹ for cadmium were achieved. The prepared MOFs demonstrated excellent recycling performance after six cycles of adsorption-desorption processes toward both studied ions. These observations show that the prepared Zr-BADS is a promising material for the removal of lead and cadmium ions in single and coexisting systems.</div></div>","PeriodicalId":101196,"journal":{"name":"Sustainable Chemistry for the Environment","volume":"9 ","pages":"Article 100231"},"PeriodicalIF":0.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143510602","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Removal of cadmium and (radio)toxic metal ions using activated sludge-based sorbents","authors":"Maria Kapnisti ,&nbsp;Konstantinos Lanaras ,&nbsp;Aikaterini Liaska ,&nbsp;Fotini Noli ,&nbsp;Petros Samaras","doi":"10.1016/j.scenv.2025.100230","DOIUrl":"10.1016/j.scenv.2025.100230","url":null,"abstract":"<div><div>Biochars produced from sewage sludge were investigated towards their adsorption capacity for cadmium and (radio)toxic metals. Samples of waste sewage sludge were subjected to pyrolysis at 350, 450 and 800 °C. The resulting biochars were characterized by using techniques like Fourier-transform infrared spectroscopy and scanning electron microscopy. Their specific surface area and pore size were determined using the BET method, and the point of zero charge was assessed via zeta-potential analysis. The application of biochars and dry sludge in removing Cd(II) from aqueous solutions was demonstrated considering the effect of various factors including metal concentration, temperature, pH, and presence of competing ions. Adsorption isotherms were modeled using Freundlich, Langmuir and Temkin models, while adsorption kinetics were assessed through the pseudo-first and pseudo-second-order as well as Elovich kinetic models, along with the corresponding thermodynamic data. In addition, the adsorption capacity was tested for Cs(Ι), Ba(ΙΙ), Eu(ΙΙΙ) and U(VΙ) ions. Dry sludge and the biochar produced after pyrolysis at 800 °C proved to be the most effective materials for removing cadmium as well as cesium, barium, europium and uranium from aqueous solutions. The evaluation of equilibrium and kinetics data indicated that activated sludge products could serve as effective sorbents for retention of hazardous metals.</div></div>","PeriodicalId":101196,"journal":{"name":"Sustainable Chemistry for the Environment","volume":"10 ","pages":"Article 100230"},"PeriodicalIF":0.0,"publicationDate":"2025-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143552470","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}